Structure of PDB 7mq9 Chain LR Binding Site BS01

Receptor Information

>7mq9 Chain LR (length=773) Species: 9606 (Homo sapiens)

FKTNYAVERKIEPFYKGGKAQLDQTGQHLFCVCGTRVNILEVASGAVLRS
LEQEDQEDITAFDLSPDNEVLVTASRALLLAQWAWQEGSVTRLWKAIHTA
PVATMAFDPTSTLLATGGCDGAVRVWDIVRHYGTHHFRGSPGVVHLVAFH
PDPTRLLLFSSATDAAIRVWSLQDRSCLAVLTAHYSAVTSLAFSADGHTM
LSSGRDKICIIWDLQSCQATRTVPVFESVEAAVLLPEEPVSQLGVKSPGL
YFLTAGDQGTLRVWEAASGQCVYTQAQPPGPGQELTHCTLAHTAGVVLTA
TADHNLLLYEARSLRLQKQFAGYSEEVLDVRFLGPEDSHVVVASNSPCLK
VFELQTSACQILHGHTDIVLALDVFRKGWLFASCAKDQSVRIWRMNKAGQ
VMCVAQGSGHTHSVGTVCCSRLKESFLVTGSQDCTVKLWPLPKALLSNGP
ILLQAQTTQRCHDKDINSVAIAPNDKLLATGSQDRTAKLWALPQCQLLGV
FSGHRRGLWCVQFSPMDQVLATASADGTIKLWALQDFSCLKTFEGHDASV
LKVAFVSRGTQLLSSGSDGLVKLWTIKNNECVRTLDAHEDKVWGLHCSRL
DDHALTGASDSRVILWKDVTEAEQAEEQARQEEQVVRQQELDNLLHEKRY
LRALGLAISLDRPHTVLTVIQAIRRDPEACEKLEATMLRLRRDQKEALLR
FCVTWNTNSRHCHEAQAVLGVLLRREAPEELLAYEGVRAALEALLPYTER
HFQRLSRTLQAAAFLDFLWHNMK

Ligand information

>7mq9 Chain L1 (length=1301)

accugguugauccugccaguagcauaugcuugucucaaaaagccaugucu
aaguacgcacggccgguacagugaaacugcgaauggcucauuaaaucagu
uaugguuccuuuggucgcucgcuccuuacuuggauaacugugguaauucu
agagcuaauacaugccgacgggcgcugacccccggggggaugcgugcauu
uaucagaucaaaaccaacccgccccucgggcgggcgccggcggcuuuggc
uagauaaccucgggccgaucgcacgccccccguggcggcgacgacccauu
cgaacgucugcccuaucaacuuucgaugguagucgccgugccuaccaugg
ugaccacgggugagggaaucaggguucgauuccggagagggagccugaga
aacggcuaccacauccaaggaaggaggcgcgcaaauuacccacucccgac
ccggggagguagugacgaaaaauaacaauacaggacucuuucgaggcccu
guaauuggaaugaguccacuuuaaauccuuuaacgaggauccauuggagg
gcaagucuggugccagcagccgcgguagcuccaauagcguauauuaaaag
cucguaguuggaucauuaagagggacggccgggggcauucguauugcgcc
gcuagaggugaaauucuuggaccggcgcaagacggaccagagcgaaagca
uuugccaagaauguuuucauuaaucaagaacgaaccgaccggcgaugcgg
cggcguuauucccaugacccgccgggcagcuuccgggaaaccagaguaug
guugugaaacuuaaaggaauugacggaagggcaccaccaggaguggagcc
ugcggcacccggcccggacacggacaggauugacagauugauagcucuuu
cucgauuccguggguuggugcauggccguucguugguggagcgauuuggu
uaauuccgauaacgaacgagacucuggcaugcuagagggacaaguggcgu
ucagccacccgagauugagcaauaacaggucugugaugcccguccgggcg
cgcgcuacacugacuggcucagcguguaaccccauucguaggaauuccca
guaagugcgggucauaagcuugcguugauuaagucccugcccuuuacaca
ccgcccgucgcuacuaccgauuggaugguuuagugaggcccucggaucgg
ccccgccggggucggcccacggcccuggcggagcgcugagaagacggucg
aacuugacuaucuagaggaaguaaaagguuuccguaggugaaccugcgga
a

....................<<.<<<<<<...<.<<.....<<<..<<..
..<<....<<..........>>...>>.>>........<.......<<<.
<....<<....<<<................<<.....<<.<<.......>
>.>>......>>.........<<<<...<<<<..>>>>...>>>><<..<
<<<<.....<<..<...<<..<<<<<..>>.>>>....>>.>..>>....
..>>>>>......>>...<<<<.<<<<......>>>>>>>>....>>>..
.>>..>.>>>.<<<....<<<....<<<<<<<.........>>>>>>>>>
>......>>>....<<<<<<.......>>>>>>...>.<<.<<<<.....
...>>>>.>>.<.<<<..>>>.>..>>>........<<<<....<<<...
..>>>..>>>>.....>>.>.....<<<<<<<<<.<<<....>>>.>.>>
>>.>>>>......<<..<...........>..>>.........<<<<<<.
......<<<....>>>............>>>>>>..>>>>>>.>>....<
.<<...<<<.<<<.>>>....<<<<<<..<...<<<<..<<<.<<<<<<<
<...<<<......>>>......>>>>>>>>.>>>.......<<....>>.
..>>>>..>..>>>.>>>...>>>...>>.>...<<<...<<<..<.<<<
<<<.<<<........>>>>>>>>>.>..>>>..>>>..............
.....................<<<<<<<<<<<<..<<..<<<<<..<<<.
<<<<...<<<<<......<<<<<<.......<<.<<<........>>>.>
>.....>>>>>>....<<<<<<<<<<<<<<.<<<.<<.<<....>><<<.
.....>>>...>>.>>>....<<<...<...<..>..>.....<<<<<..
...>>>>>........>>>....>>>.>>.>>>>>.>>>>...>>>>>>>
>>.>>>.....<<.<<<..............>>>.>>......>>>>>..
...<<<<<<<.........>>>>>>>......>>...>>>>>>>......
....>>>>>..<<<<.<<..<.<<<<<<<<.<<<..<<<<.<<...<<<<
<.<<<<<<<<<<<<.....>>>>>>>>>>>>...>>>>>...>>.>>>>.
.>>>.>>>>>>>>.>.>>.>>>>......<<<<<<<<<....>>>>>>>>
>

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7mq9 Nucleolar maturation of the human small subunit processome.
• Resolution: 3.87 Å
• Binding residue (original residue number in PDB): Y142 S725 R726 R773
• Binding residue (residue number reindexed from 1): Y132 S709 R710 R757

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0005515 protein binding
• GO:0034511 U3 snoRNA binding

Biological Process

• GO:0000472 endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0000480 endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0006364 rRNA processing
• GO:0042274 ribosomal small subunit biogenesis

Cellular Component

• GO:0005634 nucleus
• GO:0005654 nucleoplasm
• GO:0005730 nucleolus
• GO:0030686 90S preribosome
• GO:0032040 small-subunit processome

External links

• PDB: RCSB:7mq9, PDBe:7mq9, PDBj:7mq9
• PDBsum: 7mq9
• PubMed: 34516797
• UniProt: Q12788|TBL3_HUMAN Transducin beta-like protein 3 (Gene Name=TBL3)